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Basic Science
intermediate
X-Type

Peripheral Nerve Repair Principles

Nerve Biology

A 25-year-old man sustains a sharp laceration to his volar wrist, resulting in complete median nerve transection. Intraoperatively, both nerve ends appear healthy with a 2cm gap when the wrist is in neutral position. The wound is clean and the patient presents 6 hours after injury. Regarding peripheral nerve repair:

Mark each as TRUE or FALSE

A

Primary nerve repair is performed at time of injury when conditions are optimal (clean wound, sharp ...

B

Epineural repair is the standard technique for most nerve injuries, suturing the outer epineurium wi...

C

Nerve repair should always be delayed 6 months; epineural repair is obsolete; fascicular repair is u...

D

Nerve grafting is required when tension-free repair is not possible (gaps greater than 2-3cm or if w...

E

Nerve regeneration occurs at 1mm/day (or 1 inch/month) following Wallerian degeneration of the dista...

Answer the questions to see explanations

Click T (True) or F (False) for each option